19 cards where the illustration contains “white-hair-streak”

Cathartic Reunion (Kaladesh #109)
Crushing Disappointment (Strixhaven: School of Mages #68)
Eriette, the Beguiler (Outlaws of Thunder Junction #293)
Get a Life (Unglued #4)
Gilraen, Dúnedain Protector (Tales of Middle-earth Commander #13)
Izoni, Thousand-Eyed (Guilds of Ravnica #180)
Lightning Bolt (Commander Legends: Battle for Baldur's Gate #401)
Livio, Oathsworn Sentinel (Commander Legends #31)
Lukka, Coppercoat Outcast (Ikoria: Lair of Behemoths #125)
Mana Flair (Unhinged #81)
Morkrut Banshee (Jumpstart 2022 #121)
Nivix Guildmage (Return to Ravnica #182)
Oketra's Avenger (Hour of Devastation #17)
Radical Idea (Guilds of Ravnica #52)
Shove Aside (Alchemy: Murders at Karlov Manor #16)
Silverquill Command (Strixhaven: School of Mages #232)
Solitary Hunter // One of the Pack (Shadows over Innistrad #229)
Solitary Hunter // One of the Pack (Shadows over Innistrad #229)
Tocasia, Dig Site Mentor (The Brothers' War #224)
Whispering Snitch (Guilds of Ravnica #90)

The message was clear to Sorin—time to search for something else.